Power shovel



FIG. 1 is a front perspective view of a power shovel showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a right side view thereof

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is a front view thereof; and,

FIG. 9 is a top plan cross sectional view taken along line 9—9 in FIG. 8. 

The ornamental design for a power shovel, substantially as shown and described. 